Home / 12,465,009.80-18,697,514.70-9,777,624.20

Finding the Fourth Proportional to 12,465,009.80, 18,697,514.70 and 9,777,624.20

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Solution

The fourth proportional to 12,465,009.80, 18,697,514.70 and 9,777,624.20 is: 14,666,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,009.80 : 18,697,514.70 = 9,777,624.20 : x
  2. Step 2: Convert to fraction form
    12,465,009.80/18,697,514.70 = 9,777,624.20/x
  3. Step 3: Cross multiply
    12,465,009.80x = 18,697,514.70 × 9,777,624.20
  4. Step 4: Simplify right side
    12,465,009.80x = 182,817,272,210,575.72
  5. Step 5: Solve for x
    x = 182,817,272,210,575.72/12,465,009.80
  6. Step 6: Final answer
    x = 14,666,436.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.